Barwick Dyke Quarry

Grid Reference NZ 431 152
BGS Sheet 33
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Disused flooded quarry revealing an exposure of the Cleveland Dyke. The site also reveals a unique exposure of the contact between the Dyke and Sherwood sandstone country rock.
Literature References
Site Maps
Ordnance Survey

Site Assessment
| Access and Safety | Comments | Rating |
|---|---|---|
| Safety of access | Along footpath to quarry | 10 |
| Safety of exposure | Deep water danger in flooded quarry | 5 |
| Restricting conditions | None | |
| Multiple exposure | None | |
| Note | It is strongly suggested that on-site safety be the responsibility of the party leader(s), as the safety information above is given only as a guide. |

| Education and Science | Comments | Rating |
|---|---|---|
| Surface processes | Weathering and leaching of dyke faces | 2 |
| Geomorphology | Underlying dyke ridge | 5 |
| Sedimentary rock | Contact with Sherwood sandstone | 10 |
| Igneous rock | Cleveland Dyke | 10 |
| Metamorphic rock | Limited metamorpism of Sherwood sandstone at contact | |
| Fossils | None | |
| Minerals | None specific | 2 |
| Structural features | Unique contact point | 10 |
| Stratigraphy | None specific | 2 |

| Geodiversity Value | Comments | Rating |
|---|---|---|
| Education | Limited educational value | 2 |
| Scientific | Excellent contact point | 10 |
| Historical | Disused Cleveland Dyke quarry | 5 |
| Aesthetic | Disused quarry close to the River Tees | 8 |
Surveyors
Andrew Carter, John Waring
Tags: Cleveland Dyke, Sherwood Sandstone, Tertiary, Triassic